//
// Created by 吴锐 on 2022/3/3.
//

#include "iostream"
#include "vector"
#include "algorithm"

using namespace std;

class MyPrint {
public:
    void operator()(int val){
        cout << val << " ";
    }
};

void test01(){
    vector<int> v1;
    vector<int> v2;

    for(int i = 0 ; i < 10 ; i++){
        v1.push_back(i);
    }
    v2.resize(v1.size());
    copy(v1.begin(),v1.end(),v2.begin());

    for_each(v2.begin(), v2.end(), MyPrint());
    cout << endl;
}

int main(){
    test01();
    return 0;
}